Place flour in a large bowl and make a well in center.,Add water and egg and stir to make a soft non-sticky dough, if dough is too sticky, add more flour, 1/4 cup at a time.,In a separate bowl, prepare filling by combining all ingredients.,Add about 2 tsp. of filling to dough and knead in.,Roll out dough about 1/8" thick.,Cut out large rounds, 3 to 4" (I use the widest glass I have).,Place about a tablespoon of filling on one side of each circle.,Moisten edges with water and fold over to close.,Pinch edges or use fork to seal.,After filling all pierogies, place in boiling water until they float.,______